CN218488433U

CN218488433U - Mechanical clamping jaw with self-locking function

Info

Publication number: CN218488433U
Application number: CN202222749432.5U
Authority: CN
Inventors: 惠福增
Original assignee: Tianjin Haochen Intelligent Technology Co ltd
Current assignee: Tianjin Haochen Intelligent Technology Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-02-17
Anticipated expiration: 2032-10-18

Abstract

The utility model discloses a mechanical clamping jaw with self-locking function relates to mechanical clamping jaw technical field, specifically is a mechanical clamping jaw with self-locking function, including installation base member, cylinder, pneumatic valve, cylinder fixed mounting is at the upside of installation base member, the right side at the cylinder is installed to the pneumatic valve, fixed mounting has main actuating arm on the output shaft of cylinder, the mounting groove has all been seted up to main actuating arm's the left and right sides, fixed mounting has first loose axle in the mounting groove that the main actuating arm left and right sides was seted up, the downside movable mounting of first loose axle surface has the swing arm. This application can support the slider through the elasticity that pressure spring provided, utilizes the slider to carry out the supporting role to the lever arm, and then makes the lever arm support the jack catch, can be so that the jack catch centre gripping inseparabler, effectually avoid the cylinder to cut off the gas back suddenly, because jack catch inertia leads to the centre gripping thing vibrations and the problem that drops appears.

Description

Mechanical clamping jaw with self-locking function

Technical Field

The application relates to the technical field of mechanical clamping jaws, in particular to a mechanical clamping jaw with a self-locking function.

Background

Mechanical clamping jaw is used for getting article as the name implies, the long-time self-locking function of the short time of can't be realized to most of pneumatic clamping jaws on the existing market, can only rely on gas circuit control to realize the lock dead state of short time, some clamping jaw structures that can realize self-locking function are complicated, the manufacturing cost is high, and if the power failure suddenly when mechanical clamping jaw in the operation process, because mechanical clamping jaw is in running state, mechanical clamping jaw can produce inertia this moment, then can lead to the centre gripping thing to pause and cause vibrations, and then cause the centre gripping thing phenomenon of dropping to appear, so the mechanical clamping jaw who has self-locking function who provides here solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present application proposes a mechanical jaw with a self-locking function to improve the above problems.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a mechanical clamping jaw with self-locking function, includes installation base member, cylinder, pneumatic valve, cylinder fixed mounting is at the upside of installation base member, the right side at the cylinder is installed to the pneumatic valve, fixed mounting has the main actuating arm on the output shaft of cylinder, the mounting groove has all been seted up to the left and right sides of main actuating arm, fixed mounting has first loose axle in the mounting groove that the main actuating arm left and right sides was seted up, the downside movable mounting of first loose axle surface has the swing arm, the downside fixed mounting of swing arm has the second loose axle, the upside movable mounting of second loose axle surface has the lever arm, the middle part fixed mounting of lever arm has the third loose axle, the upside movable mounting of third loose axle surface has the jack catch, the inboard of jack catch is provided with the cramping thing.

Optionally, the left side and the right side of the inside of the mounting base body are both provided with thread grooves, the threads arranged on the left side and the right side of the inside of the mounting base body are connected with adjusting bolts in a threaded manner, the outer surfaces of the adjusting bolts are provided with pressure springs, and the outer surfaces of the pressure springs are movably provided with sliding blocks.

Optionally, the pressure spring is in movable contact with the inner side of the mounting base body, and the pressure spring is fixedly connected with the sliding block.

Optionally, the side surface of the lever arm is arc-shaped, and an arc-shaped groove matched with the lever arm is formed in the side surface of the sliding block.

Optionally, the shape of the main driving arm is a concave shape, and the swing arm is located on the inner side of the main driving arm in a dead lock state.

Optionally, a through groove is formed in the middle of the clamping jaw, and the sliding block is located in the through groove formed in the middle of the clamping jaw.

The application provides a mechanical clamping jaw with self-locking function possesses following beneficial effect:

1. this application can drive main actuating arm through actuating cylinder, utilize main actuating arm can drive first loose axle, utilize first loose axle to drive the swing arm, utilize the swing arm can drive the second loose axle, then make the second loose axle drive the lever arm, utilize the lever arm to drive the third loose axle, then make the third loose axle drive the jack catch and drive, then realize the jack catch and realize the purpose of centre gripping, through main actuating arm, the swing arm, the dead characteristics of lever arm mechanical structure dead point lock, can prevent effectively that the cylinder from breathing out the back jack catch and unclamping, the problem that leads to being dropped by the centre gripping thing appears.

2. This application can support the slider through the elasticity that pressure spring provided, utilizes the slider to carry out the supporting role to the lever arm, and then makes the lever arm support the jack catch, can be so that the jack catch centre gripping inseparabler, effectual avoiding the cylinder gas cut off suddenly after, because jack catch inertia leads to the vibrations of centre gripping thing and the problem that drops appears.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a perspective view of a jaw of the present application in a closed, dead-locked condition;

FIG. 2 is a perspective view of the present application showing the open jaw configuration;

FIG. 3 shows a schematic top view of the present application;

fig. 4 shows a schematic view of the structure on the right side of the present application.

In the figure: 1. installing a base body; 2. a cylinder; 3. a main drive arm; 4. a first movable shaft; 5. swinging arms; 6. a second movable shaft; 7. a lever arm; 8. a third movable shaft; 9. a claw; 10. adjusting the bolt; 11. a pressure spring; 12. a slider; 13. a holder; 14. and (4) an air valve.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: a mechanical clamping jaw with a self-locking function comprises a mounting base body 1, a cylinder 2 and an air valve 14, wherein the cylinder 2 is fixedly mounted on the upper side of the mounting base body 1, the air valve 14 is mounted on the right side of the cylinder 2, a main driving arm 3 is fixedly mounted on an output shaft of the cylinder 2, the main driving arm 3 is concave, the swing arm 5 is located on the concave inner side of the main driving arm 3 in a locking state, mutual interference between the main driving arm 3 and the swing arm 5 can be avoided, and meanwhile, the characteristic structure of locking of a connecting rod structure can be realized, so that a clamping jaw 9 can be in a long-time clamping locking state, mounting grooves are formed in the left side and the right side of the main driving arm 3, a first movable shaft 4 is fixedly mounted in the mounting grooves formed in the left side and the right side of the main driving arm 3, a swing arm 5 is movably mounted on the lower side of the outer surface of the first movable shaft 4, and a second movable shaft 6 is fixedly mounted on the lower side of the swing arm 5, the upper side of the outer surface of the second movable shaft 6 is movably provided with a lever arm 7, the side surface of the lever arm 7 is arc-shaped, the side surface of the sliding block 12 is provided with an arc-shaped groove matched with the lever arm 7, the sliding block 12 and the lever arm 7 can be more attached, the supporting performance of the sliding block 12 can be effectively improved, the friction force between the sliding block 12 and the lever arm 7 during contact can be reduced, further the abrasion between the lever arm 7 and the sliding block 12 is reduced, the service lives of the lever arm 7 and the sliding block 12 are prolonged, the middle part of the lever arm 7 is fixedly provided with a third movable shaft 8, the upper side of the outer surface of the third movable shaft 8 is movably provided with a clamping jaw 9, the clamping jaw 9 is movably arranged on the inner side of the mounting base body 1, the clamping jaw 9 can be in a transverse clamping state when driven, the clamping performance is improved, the clamping jaw 9 can be limited, and the clamping jaw 9 is more stable in the clamping process, the jaws 9 are provided with a grip 13 on the inside.

Please refer to fig. 1 and fig. 2, the left and right sides of the inside of the mounting base 1 are both provided with thread grooves, the threads in the left and right sides of the inside of the mounting base 1 are connected with adjusting bolts 10, the elastic force of the pressure springs 11 can be changed by screwing the adjusting bolts 10, and then the clamping force of the sliding blocks 12 on the lever arms 7 can be effectively adjusted, the outer surfaces of the adjusting bolts 10 are provided with the pressure springs 11, the pressure springs 11 are movably contacted with the inner sides of the mounting base 1, the pressure springs 11 are fixedly connected with the sliding blocks 12, the adjusting bolts 10 can support the pressure springs 11 to prevent the pressure springs 11 from being bent when the compression deformation occurs, the outer surfaces of the pressure springs 11 are movably provided with the sliding blocks 12, the middle parts of the jaws 9 are provided with through grooves, the sliding blocks 12 are located in the through grooves formed in the middle parts of the jaws 9, so that the sliding blocks 12 can smoothly support the lever arms 7, and further achieve the purpose of improving the clamping tightness of the jaws 9.

To sum up, the utility model provides a mechanical clamping jaw with self-locking function, when using, at first the user need start cylinder 2 and drive main driving arm 3, utilize main driving arm 3 to drive first loose axle 4, utilize first loose axle 4 to drive swing arm 5, utilize swing arm 5 to drive second loose axle 6, then make second loose axle 6 drive lever arm 7, utilize lever arm 7 to drive third loose axle 8, then make third loose axle 8 drive jack catch 9, then realize jack catch 9 and realize the purpose of centre gripping, the elasticity that utilizes pressure spring 11 to provide can support slider 12, utilize slider 12 can carry out the supporting role to lever arm 7, and then make lever arm 7 support jack catch 9, can make the jack catch 9 centre gripping inseparabler, avoid behind the sudden gas failure of cylinder 2, because jack catch 9 inertia leads to centre gripping thing 13 and the problem that drops appears, so can.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mechanical clamping jaw with self-locking function, includes installation base member (1), cylinder (2), pneumatic valve (14), cylinder (2) fixed mounting is at the upside of installation base member (1), pneumatic valve (14) are installed on the right side of cylinder (2), its characterized in that: fixed mounting has main actuating arm (3) on the output shaft of cylinder (2), the mounting groove has all been seted up to the left and right sides of main actuating arm (3), fixed mounting has first loose axle (4) in the mounting groove that the main actuating arm (3) left and right sides was seted up, the downside movable mounting of first loose axle (4) surface has swing arm (5), the downside fixed mounting of swing arm (5) has second loose axle (6), the upside movable mounting of second loose axle (6) surface has lever arm (7), the middle part fixed mounting of lever arm (7) has third loose axle (8), the upside movable mounting of third loose axle (8) surface has jack catch (9), the inboard of jack catch (9) is provided with cramping thing (13).

2. The mechanical clamping jaw with the self-locking function as claimed in claim 1, is characterized in that: threaded grooves are formed in the left side and the right side of the inner portion of the mounting base body (1), adjusting bolts (10) are connected to threads formed in the left side and the right side of the inner portion of the mounting base body (1) in a threaded mode, pressure springs (11) are arranged on the outer surfaces of the adjusting bolts (10), and sliding blocks (12) are movably mounted on the outer surfaces of the pressure springs (11).

3. The mechanical clamping jaw with the self-locking function as claimed in claim 2, is characterized in that: the pressure spring (11) is movably contacted with the inner side of the mounting base body (1), and the pressure spring (11) is fixedly connected with the sliding block (12).

4. The mechanical clamping jaw with the self-locking function as claimed in claim 2, is characterized in that: the side surface of the lever arm (7) is arc-shaped, and the side surface of the sliding block (12) is provided with an arc-shaped groove matched with the lever arm (7).

5. The mechanical clamping jaw with the self-locking function as claimed in claim 1, is characterized in that: the main driving arm (3) is sunken, and the swing arm (5) is positioned on the sunken inner side of the main driving arm (3) in a locking state.

6. The mechanical clamping jaw with the self-locking function as claimed in claim 2, is characterized in that: the middle part of the clamping jaw (9) is provided with a through groove, and the sliding block (12) is positioned in the through groove arranged in the middle part of the clamping jaw (9).